Best of Web – Tanner Wismer Spring 2018

Best of Web – Tanner Wismer Spring 2018

As this B-1B Lancer climbs higher into the sky, hot exhaust gases leave the four individual engines. These four exhaust plumes rapidly combine with one another to create one large exhaust wake. This wake is visible to the human eye because the high temperature exhaust changes the density of the air relative to the surrounding atmospheric air, which changes the refractive index. When light travels through the exhaust, it gets distorted enough for the turbulent air to be seen by the naked eye as it is in the image above.

This picture is an interesting depiction of science and art because it takes a great deal of engineering to lift a plane off the ground and the sight of it is quite beautiful if you look at the fluid flow of the exhaust.

Image credit: Tyler Rogoway

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3 Comments. Leave new

  • Zachary Marshall
    Feb 1, 2018 20:30

    Third Place – I enjoy the simplicity of this photo that directly shows the transition of laminar to turbulent flow from the fuel. It appears as another cloud, however it shows the power of this fluid to move an airplane.

  • Third prize, this picture give a great example how exhaust gas change from laminar to turbulent and how turbulent flow looks like.

  • Riley Kenyon
    Jan 31, 2018 13:09

    First Place-
    This image is a great example of light being distorted by different density mediums and captured with shadowgraphy. It really shows the turbulent nature of the hot exhaust gases.


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